Old Second National Bank Boosts S&P 500 ETF Holdings

Aurora bank increases stake in State Street SPDR Portfolio S&P 500 ETF to $4.65 million

Apr. 18, 2026 at 11:34am

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OLD Second National Bank of Aurora, an Illinois-based financial institution, has purchased a new $4.65 million stake in the State Street SPDR Portfolio S&P 500 ETF (SPYM) during the fourth quarter. The bank now owns approximately 72.41% of the ETF, making it a significant institutional investor in the fund.

Why it matters

This move by Old Second National Bank reflects broader institutional interest in S&P 500 index funds as a way to gain broad exposure to the U.S. equity market. As a regional bank, Old Second's investment in SPYM suggests confidence in the continued performance of the broader stock market.

The details

According to the bank's most recent SEC filing, Old Second National Bank purchased 57,928 shares of the SPDR Portfolio S&P 500 ETF in the fourth quarter. The ETF now makes up around 0.9% of the bank's total investment portfolio, making it the 29th largest holding.

  • Old Second National Bank purchased the SPYR shares in the fourth quarter of 2025.
  • The bank's SEC filing disclosing the new position was published on April 18, 2026.

The players

Old Second National Bank of Aurora

An Illinois-based regional bank that has increased its stake in the State Street SPDR Portfolio S&P 500 ETF.

State Street SPDR Portfolio S&P 500 ETF

An exchange-traded fund that seeks to provide 2x the exposure to the monthly price return of the SPDR S&P 500 ETF.

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The takeaway

Old Second National Bank's investment in the SPDR Portfolio S&P 500 ETF reflects the continued appeal of broad-based index funds among institutional investors looking to gain exposure to the U.S. equity market. As a regional bank, Old Second's sizable stake in the ETF suggests confidence in the long-term performance of the S&P 500 index.